Overview of Characteristic

  • Support Four Frequency Bands, Global Standard (850/900/1800/1900M Hz)
  • Support GSM/GPRS and CMCC or CUCC SIM Card
  • Support RS485 to GPRS Data Transmission, Serial Port Speed Up to 460800bps
  • Supports Max 3 Channel TCP/UDP connections, Each Connection Supports 1400 Bytes of Data Cache, and the Network Channel Can be Bound to the Serial Port.
  • Support Multiple Working Modes: Network Transparent Transmission Mode, HTTP Mode, MQTT, WebSocket
  • Support IOTService Tool, Remotely and Dynamically Modify Module Parameters
  • Support SMS AT Command Configuration
  • Supports Registration Packet , Heartbeat Packet Function, and the Registration Package Supports ICCID, IMEI, IMSI, Software Version number, GPRS Connection Status and other Combinations.
  • Support NTP
  • Support Modbus TCP to RTU, Modbus Master Function
  • Support IOTBridge for Remote Control and Config. 
  • Support IOTBridge working time, for example only works from 10:00 to 10:30 to save the data flow charge.
  • Support Serial Port, Network OTA Upgrade Firmware.
  • Multiple Type of Different Power Input:



  • Size: 102.03 x 64.95 x 27.50 mm (L x W x H) ,C45 rail installation

Sizing Table

Name ★Protoss-PG11  >>
Image ★Protoss-PG11
Internet Type GSM/GPRS
Data Rate 85.6 kbps (DL,UL)
Frequency 850/ 900/1800/1900MHz
Multi-Slot Class GPRS Class 10
Terminal Device Class Class B
Coding Schemes CS1,CS2,CS3,CS4
Max Transmit Power GSM850/GSM900: Class 4(2W) DCS1800/PCS1900: Class 1(1W)
Application AT Command
Network Protocol TCP/UDP
Max Link 5
SIM Card 1.8V/3V
Antenna Interface SMA
Port Interface 1
Data Bits 7,8
Stop Bit 1,2
Charity Bit None,Even,Odd
Flow Control No Flow control Hardware RTS/CTS、DSR/DTR Software Xon/ Xoffflow control
Buffer 1400KB
Size 61 x 26 x 17.8mm
Work Temp. -40 ~70°C
Storage Temp. -40 ~ 85°C, 5 ~ 95% RH
Input Voltage Protoss-PG11-H: 100~240VAC@50~60Hz Protoss-PG11-M: 9~48VDC@1A
Work Current ~300mA